Vintage Hilger And Watts Watts Antique Level

EUR 375,00 ¡Cómpralo ya! Unsold, EUR 35,00 Envío, Garantía al cliente de eBay

Vendedor: po-agi (219) 100%, Ubicación del artículo: MADRID, Realiza envíos a: Worldwide, Número de artículo: 132877513553 · VINTAGE HILGER AND WATTS WATTS ANTIQUE LEVEL · his tilting level by Hilger & Watts is a high precision, three footscrew, levelling instrument typically used in precise and geodetic levelling. · The instrument has a built-in parallel plate micrometer for precise levelling with invar staves (graduated in intervals of 0.02 foot). Its function is to determine the distance between the point where the line of collimation (line-of-sight) of the level intersects the staff and the next lower staff graduation, and thus eliminates the need for estimation. The micrometer has a range of 20 divisions (of 0.001 ft). The staff reading can be estimated to 0.0001 ft (0.03mm). · The tubular spirit bubble is situated on the left-hand side of the telescope and is permanently attached to the telescope via a solid casting to ensure accurate adjustment. · The telescope is supported at its centre by a pivot and may be tilted (up and down) by turning the "tilting screw" which is located on the stage component of the level between the telescope and the base. This tilting screw enables the telescope to be precisely levelled before each staff reading, without altering the height of the telescope. The screw carries a graduated drum working against an index, where one division corresponds to a gradient of 1 in 50,000. · The dimensions, 16 high, 27 wide (cms) · Important -> I do not know if this scientific device works, it is sold as an ornament and not as a working precision device. · Please see pictures. · This will be very safe packaged and shipped without delay once payment has been received. · All items I sell are vintage or antique and may not be as new or when first made and may show signs of wear, age, use, or soiling, rust, dents, scratches, chips, flakes, or states that are other than when originally made. Unless stated, ages of items are unknown. · The Item will be shipped from Spain · Please ask for more detail information if you are unsure. More pictures are available upon request · THANKS YOU FOR TAKEN THE TIME IN LOOKING

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